Storage access speeds News
May 20, 2016
In the context of the proposed Dell-EMC purchase, Dell has announced an upgrade to its (Compellent-derived) Storage Center operating system (OS), to version 7. Noteworthy in it is the ability for ...
April 05, 2016
Intel's PCIe-attached NVMe drive families include one for server-side enterprise apps and another to replace SATA SSDs in cloud environments.
March 31, 2016
Gen9 ProLiant storage servers are the focus of HPE's Persistent Memory product launch, including an 8 GB NVDIMM module and a family of PCIe NVMe flash drives.
March 29, 2016
NetApp today rolled out an upgraded version of its SANtricity software for its E and EF Series of high performance arrays, with the focus on making Splunk and other data analytics applications run ...
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Our team carefully selected our EBS volumes, but our application performance is still slow. How can we improve Amazon EBS performance? Continue Reading
Our enterprise wants low-latency performance and durable block-level storage. What types of Amazon Elastic Block Store volumes are available? Continue Reading
Microsoft eliminates the need for expensive storage devices such as SAN with new storage formats, including an offering for SCVMM. Continue Reading
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Learn the nuances of solid state storage and how to vet all-flash storage array vendors in a time of innovations like triple-level cell NAND and nonvolatile memory express. Continue Reading
Flash storage, or using the broader term, solid-state storage, suffers from an inadequate measure of value. Flash storage provides a step-function improvement in the ability to store and retrieve ... Continue Reading
Arrays loaded with flash drives are the speed kings of storage arrays. They can also be more expensive than traditional systems with hard disk drives (HDDs), so IT managers need to assess their application needs to make the best decision among all-flash array vendors.
Cheap HDDs give traditional arrays an advantage in price per GB, but systems equipped only with more costly flash drives can provide a significant edge in price per IOPS. Hybrid arrays combining HDDs and solid-state drives (SSDs) are yet another option to consider when balancing the price-performance equation.
Points of comparison for IT organizations weighing the various options from all-flash array (AFA) vendors include IOPS, latency, throughput, raw and usable capacity, flash type, networking options, architecture type (scale-up vs. scale-out), and supported storage features, such as data deduplication and compression, thin provisioning, snapshots, replication and encryption.
The original use case for AFAs was typically to accelerate the performance of a niche application with high I/O requirements. AFAs have since become more popular for primary storage, running multiple application workloads on a single flash array now that the products offer the capacity, management and storage capabilities to put them on par with HDD-based systems.
The use of denser, less expensive flash, such as multi-level cell and triple-level cell 3D NAND, and data reduction technologies are giving rise to claims from AFA vendors that their products can match or beat the price of high-end storage arrays equipped with the fastest spinning disks. So IT organizations need to compare the features and capabilities of many of the leading AFAs against specific criteria to select the right AFA to meet their technical and business needs.Continue Reading
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A disk I/O bottleneck, resource contention, misconfigurations and other problems will degrade the performance of virtual machines. When too many VMs are competing for limited resources, results will inevitably suffer. This chapter looks at tactics that can help to combat these types of bottlenecks, particularly those stemming from the storage components of a virtualized environment. The effort it takes to solve storage I/O bottlenecks is considerable. Variables range from physical infrastructure choices to configuration changes. The starting point for solving your I/O problems will be VM monitoring and establishing baseline performance. From there, you can scrutinize read IOPS vs. write IOPS, network cards, and other specific points that are likely contributing to the I/O bottlenecks. With the right approach, a willingness to become a virtual machine monitor and the use of proper technologies, admins can solve the problems causing an infrastructure's performance to suffer. Continue Reading
The secure handling of mobile data -- and related information protection requirements from HIPAA -- leads to the need for examining a healthcare organization's storage technology. Continue Reading
SSD costs are on the downswing, but users need to explore the price per IOPS and price per gigabyte before purchasing. Some workloads aren't a match with the technology. Continue Reading
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Configuration problems and extreme storage demands can take a serious toll on your storage infrastructure. Fortunately, with the right tools, these issues are easy to remedy. Continue Reading
Boot storms bring VDI deployments to a grinding halt, but batch booting and network interface card teaming can prevent the problem without having to buy new hardware. Continue Reading
The lack of capable infrastructure hinders a typical cloud bursting architecture. Choose one of these four paths to better implement cloud bursting. Continue Reading